AD 59-01-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 1A | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 2A | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 5A | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 5BA | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 6A | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 6BA | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 7A | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 7AXC | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 8A | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 8AXC | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
Unsafe Condition
Main undercarriage locking levers P/N 4U 139A (Pre Modification 231) and P/N 4U 461A (Post Modification 231) have cracked in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Embody Dove Modification 868 to provide locking lever assemblies with revised specification material. Additionally, for aircraft pre Modification 231 standard, also embody Modifications 187 and 308 simultaneously.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Aircraft prior to Serial Number 04463-April 1, 1959; Aircraft Serial Numbers 04463 through 04477 September 30, 1959.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
de Havilland Model 104 'Dove' Series aircraft: All models including D.H. 104 Dove Series 1A, 2A, 5A, and others, with serial numbers prior to 04463 and 04463 through 04477.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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